Dipropylene glycol is a clear, low-viscosity glycol used in cosmetics primarily as a solvent, humectant, and viscosity-reducing agent. It helps dissolve fragrances and other ingredients while contributing mild moisture-retention properties.
| Reported effect | How often | Notes |
|---|---|---|
| Mild skin irritation | Uncommon | Transient redness or stinging, more likely on compromised or sensitive skin. |
| Allergic contact dermatitis | Rare | Sensitization to glycols is infrequently reported in patch-test studies. |
| Eye irritation | Uncommon | Can occur with direct contact in eye-area products. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.